// tss header for threads library
#pragma once
#ifndef _THR_TSS
#define _THR_TSS
#ifndef RC_INVOKED
#include <thr/threads.h>
#include <thr/exceptions>

 #pragma pack(push,_CRT_PACKING)
 #pragma warning(push,3)

namespace stdext
	{	// Dinkum Libraries
	namespace threads
		{	// Dinkum C++ Threads Library
template<class _Val_type>
	class thread_specific_ptr
	{	// thread-specific pointer class
public:
	typedef thread_specific_ptr<_Val_type> _Myt;
	typedef _Val_type _Myval;

	thread_specific_ptr()
		{	// construct
		_Validate(_Tss_create(&_Key, _Dtor));
		}

	~thread_specific_ptr() 
		{	// destroy
		_Tss_delete(_Key);
		}

	_Myval *get() const
		{	// return stored pointer
		return ((_Myval *)_Tss_get(_Key));
		}

	_Myval& operator*() const
		{	// return reference to pointed-to object
		_THREAD_ASSERT(_Tss_get(_Key) != 0,
			"threads::thread::operator* called with null object pointer");
		return (*(_Myval *)_Tss_get(_Key));
		}

	_Myval *operator->() const
		{	// return stored pointer
		return (_STD addressof(**this));
		}

	_Myval *release()
		{	// set stored pointer to null
		_Myval *_Ptr = (_Myval *)_Tss_get(_Key);
		_Validate(_Tss_set(_Key, 0));
		return (_Ptr);
		}

	void reset(_Myval *_Arg = 0)
		{	// delete pointed-to object
		_Myval *_Ptr = (_Myval *)_Tss_get(_Key);
		if (_Ptr != _Arg)
			delete _Ptr;
		_Validate(_Tss_set(_Key, _Arg));
		}

private:
	_Tss_t _Key;

	static void _Dtor(void *_Ptr)
		{	// delete an object
		delete (_Myval *)_Ptr;
		}

	thread_specific_ptr(const _Myt&);	// not defined
	_Myt& operator=(const _Myt&);	// not defined
	};
		}	// namespace threads
	}	// namespace stdext

 #pragma warning(pop)
 #pragma pack(pop)
#endif /* RC_INVOKED */
#endif /* _THR_TSS */

/*
 * This file is derived from software bearing the following
 * restrictions:
 *
 * (c) Copyright William E. Kempf 2001
 *
 * Permission to use, copy, modify, distribute and sell this
 * software and its documentation for any purpose is hereby
 * granted without fee, provided that the above copyright
 * notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting
 * documentation. William E. Kempf makes no representations
 * about the suitability of this software for any purpose.
 * It is provided "as is" without express or implied warranty.
 */

/*
 * Copyright (c) 1992-2011 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
V5.40:0009 */
